CVE-2019-9578
UnknownEPSS 2.30%
Last modified
CVE-2019-9578 is a vulnerability of currently unknown severity. In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.. EPSS estimates a 2.30% chance of exploitation in the next 30 days.
Description
In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yubico | Libu2f-Host | < 1.1.8 |
References
- https://developers.yubico.com/libu2f-host/Release_Notes.htmlRelease Notes, Vendor Advisory
- https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5Patch, Third Party Advisory
- https://developers.yubico.com/libu2f-host/Release_Notes.htmlRelease Notes, Vendor Advisory
- https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-9578?
In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.
How severe is CVE-2019-9578?
Severity scoring for CVE-2019-9578 is pending analysis. The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9578?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-9578?
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Scan your code nowSource: NVD / NIST
